TY  - JOUR
AU  - V. S. Il'kiv
AU  - B. I. Ptashnic
TI  - A problem with nonlocal boundary conditions for systems of partial differential equations with constant coefficients
JO  - Differencialʹnye uravneniâ
PY  - 1984
SP  - 1012
EP  - 1023
VL  - 20
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1984_20_6_a10/
LA  - ru
ID  - DE_1984_20_6_a10
ER  -